1212101211004 has 6 divisors (see below), whose sum is σ = 2121177119264. Its totient is φ = 606050605500.

The previous prime is 1212101210977. The next prime is 1212101211023. The reversal of 1212101211004 is 4001121012121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151512651372 + ... + 151512651379.

Almost surely, 2^{1212101211004} is an apocalyptic number.

It is an amenable number.

1212101211004 is a deficient number, since it is larger than the sum of its proper divisors (909075908260).

1212101211004 is a wasteful number, since it uses less digits than its factorization.

1212101211004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303025302755 (or 303025302753 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212101211004 its reverse (4001121012121), we get a palindrome (5213222223125).

The spelling of 1212101211004 in words is "one trillion, two hundred twelve billion, one hundred one million, two hundred eleven thousand, four".